Mirzaee, Sara, Reyhaneh Jalalinejad, and Babu George. “Country of Origin, Covid-19 Vaccine and the Future of Travel: A Preliminary Study in Iran”. Anais Brasileiros de Estudos Turísticos 11 (February 8, 2021). Accessed November 21, 2024. https://periodicos.ufjf.br/index.php/abet/article/view/33332.